Talk: Ruby is not for Entrepreneurs

So one day I had this brilliant idea "If I could spin up a bunch of free instances on Amazon, and run everyone codes on there, I could make a Continuous Integration service that doesn't suck" (2010) — this was actually one of the stupidest ideas I've ever had, and this talk will teach you how not to have such stupid ideas, and how not to use Ruby to build your grand Entrepreneurial ideas for a startup.